Assertion (A) : Atomic mass of sodium is 23 u. Reason (R) : An atom of sodium is 23 times heavier th — NEET Chemistry Past Papers Chemistry Question

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Assertion (A) : Atomic mass of sodium is 23 u. Reason (R) : An atom of sodium is 23 times heavier than an atom of carbon-12 isotope. (A) Both A and R are correct and R is the correct explanation of A. (B) Both A and R are correct but R is not the correct explanation of A. (C) A is correct but R is wrong. (D) A is wrong but R is correct. 3 –1 –1 2 –1 –1 2 –1 –1 2 –1 –1 2 –1 2 3 6 6 2 2 2 4 –1 2 2 3 2 2 7 2 2 7 MAJOR TEST SERIES - 1 9610ZMD800101250011